Utility knife



FIG. 1 is a perspective view of a utility knife showing my new design,the blade being shown in an extended position;

FIG. 2 is a front end view thereof;

FIG. 3 is a rear end view thereof;

FIG. 4 is a right side view thereof;

FIG. 5 is a left side view thereof;

FIG. 6 is a top plan view thereof; and,

FIG. 7 is a bottom plan view thereof.

The ornamental design for a utility knife, as shown.